Cleanup shelf initialization and observation.

ash/root_window_controller_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/root_window_controller.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
@@ skipping 646 matching lines @@
   delete window1;
 
   ASSERT_FALSE(observer2.destroyed());
   delete window2;
 }
 
 typedef test::NoSessionAshTestBase NoSessionRootWindowControllerTest;
 
 // Make sure that an event handler exists for entire display area.
 TEST_F(NoSessionRootWindowControllerTest, Event) {
-  // Hide the shelf since it might otherwise get an event target.
-  RootWindowController* controller = Shell::GetPrimaryRootWindowController();
-  ShelfLayoutManager* shelf_layout_manager =
-      controller->GetShelfLayoutManager();
-  shelf_layout_manager->SetAutoHideBehavior(
-      ash::SHELF_AUTO_HIDE_ALWAYS_HIDDEN);
-
   aura::Window* root = Shell::GetPrimaryRootWindow();
   const gfx::Size size = root->bounds().size();
   aura::Window* event_target = root->GetEventHandlerForPoint(gfx::Point(0, 0));
   EXPECT_TRUE(event_target);
   EXPECT_EQ(event_target,
             root->GetEventHandlerForPoint(gfx::Point(0, size.height() - 1)));
   EXPECT_EQ(event_target,
             root->GetEventHandlerForPoint(gfx::Point(size.width() - 1, 0)));
   EXPECT_EQ(event_target,
             root->GetEventHandlerForPoint(gfx::Point(0, size.height() - 1)));
@@ skipping 345 matching lines @@
   keyboard_controller->ui()->GetKeyboardWindow()->SetBounds(
       gfx::Rect(0, 400, 800, 200));
   EXPECT_EQ("0,400 800x200", keyboard_container->bounds().ToString());
 
   UpdateDisplay("600x800");
   EXPECT_EQ("0,600 600x200", keyboard_container->bounds().ToString());
 }
 
 }  // namespace test
 }  // namespace ash